WD Black 256GB Performance SSD - 8 Gb/s M.2 PCIe NVMe Solid State Drive – WDS256G1X0C (Open Box, Like New)Comprehensive thermal throttling & power management algorithms help prevent overheating maintain Color: Black Memory: 256 Gb Package Quantity: 1 Excellent Quality. Capacity: 256GB With sequential read speeds up to 2050 MB s, the WD Black PCIe Gen3 x 4 NVMe based SSD unleashes a new level of performance for PC users with PCIe NVMe compatible motherboards and systems. With extensive compatibility testing, a 5 year limited warranty, and downloadable SSD